On Betula branch? - Forum ASCOFrance

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On Betula branch?

Margot en Geert Vullings, 21-03-2023 09:37

On the same betula branch as of the Trimmatostroma we saw very small black fungi, about 1 mm.

We do not find what this could be?

Thanks in advance.

Enrique Rubio, 21-03-2023 10:31

Re : On Betula branch?

Hi Margot
Maybe Stomiopeltis betulae?
https://www.centrodeestudiosmicologicosasturianos.org/?p=27034

Margot en Geert Vullings, 21-03-2023 11:34

Re : On Betula branch?

That was also our thought, we looked at approved sightings and saw asci narrower than we see and the spores more pointed. On your site it fits wel, thanks a lot Enrique.

Margot

Enrique Rubio, 22-03-2023 10:28

Re : On Betula branch?

I think it would be good if the fruiting body is really a tyriothecium. Maybe a very shallow horizontal section would help you.

Margot en Geert Vullings, 22-03-2023 16:24

Re : On Betula branch?

My apologies, but I cannot find on the internet what tyriothecium is. I have very little knowledge of Ascomycetes. What should i see? Like on your site the first picture at the bottom?

Enrique Rubio, 22-03-2023 16:57

Re : On Betula branch?

yes, Margot, something like this